Remove product literal strings in "pht()", part 9

Summary: Ref T13658.

Test Plan:
This test plan is non-exhaustive.

• Ran bin/storage databases.
• Viewed Badges UI exmaples page.
• Used eval rule for strings.platform.server.name, got "Phabricator".

Maniphest Tasks: T13658

Differential Revision: https://secure.phabricator.com/D21773